11/45, sick or not?

[Dwight K. Elvey]

>From: "Jay West" <jwest at classiccmp.org>
>
>Joe wrote...
>>  Are you sure that the lights aren't blinking too fast to see? Perhaps you
>> can hang a logic probe (with a pulse extender) on one of the lights to be
>> sure.
>
>I'll try that tomorrow... but I wouldn't think that is what is happening. 
>Also, pardon my lack of knowledge, but... shouldn't I be seeing the .2v 
>ripple as an AC component (ie. a sine wave)? It's a very clear perfect 
>sawtooth. And it's exactly the same on all the 5V regulators, which strikes 
>me as odd.
>
>Jay 
>
>

Hi Jay
 No, the ripple on a rectified filter will look like a
saw tooth. If you look carefully, you'll see that the leading
edge follows the AC while the trailing has a slight dip.
This is normal.
Dwight